Merge "simpleperf: searching for debug files only when needed." am: 0d3118bbaf am: 97d696b437 am: dd98725da1

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/2020660

Change-Id: Ic3b95758bede270db46a22a5d98f7c82a21a29ea